If you marked atleast 5 of those items you may regard yourself Internet addicted and have pathological Internet use.
Here is a Internet Addiction Test : http://www.netaddiction.com/resource...ction_test.htm
I post this here, because after reading several articles, it seems that Internet addiction or even computer addiction/dependency is not still fully acknowledged as a disorder, and it seems to be an increasing problem in today's society. Especially if you consider the increasing amount of people using the Internet.
Of course there is a difference between job related Internet use and personal use, the question comes when the - job becomes intertwined with the personal.
The forums or MUD (multi-user domains) are very easy to become involved in, due to the interactivity, relations, rewards and of course escapism
and here is the most relevant article i have read What Makes the Internet Addictive?
for more articles - http://www.netaddiction.com/articles/articles.htm